The earth is composed of several layers. The top layer earth is called the earth's crust.

  • 地球由好几层构成, 最上面的一层叫地壳.

  • 互联网摘选 2025-01-20 17:56:14

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句